html, body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, textarea, p, blockquote, th, td {
    padding: 0;
    margin: 0;
}
html, body {
    height: 100%;
    width: 100%;
    background-color: #fff;
}
fieldset, img, html, body, iframe {
    border: 0;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

li {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
}

caption, th {
    font-weight: normal;
    font-style: normal;
    text-align: left;
}

em, strong {
    font-weight: bold;
    font-style: normal;
}

body, textarea, select, input, pre {
    font-family: arial, microsoft yahei, helvetica, sans-serif;
    font-size: 14px;
    color: #555;
}

body {
    background: #f8f8f8;
    line-height: 1.5em;
    -webkit-text-size-adjust: none;
}

a, button {
    cursor: pointer;
}

textarea {
    resize: none;
    overflow: auto;
}

pre {
    white-space: pre-wrap;
}

a {
    color: #333;
    text-decoration: none;
}

input {
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
    -webkit-user-modify: read-write-plaintext-only;
}

button {
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0)
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.clearfix:after, .clearfix:before {
    display: table;
    content: '';
    height: 0;
}

.clearfix:after {
    clear: both;
}
